Closed Sheet Metal Box Design

Bends in sheet metal are manufactured using sheet metal brakes.

Closed sheet metal box design.

Understanding the comprehensive performance of materials and the correct material selection have an important impact on product cost product performance product quality and processability. Previous editions covered economic order quantity in batch production and the accuracy of things made from rolled sheet stock. Columnist gerald davis continues a discussion of 3 d cad and precision sheet metal manufacturing in part iii of a four part series focusing on design guidelines for sheet metal. The box i have my students create in class ends up being 5 5 x 2 x 3 5.

Sheet metal tolerances are far more generous than machining or 3d printing tolerances. In this tutorial video i will sketch power box chassis in solidworks with the help of sketch and sheet metal tools i hope you like it. Factors affecting tolerances include material thickness machines used and number of steps in part production. Sheet metal materials are the most commonly used materials in the structural design of communication products.

Sheet metal boxes are two part enclosures made by cutting metal sheets and then bending the resulting parts using a press brake to form a box. Sheet metal parts with a minimum of 0 9mm to 20mm in thickness can be manufactured. Next month concludes with the pros and cons of hems jogs and forming tools. A press brake creates a bend by pressing sheet metal into a die with a linear punch so design does not allow the creation of closed geometry.

Please subscribe our c. To make things easy for my students i designed our classroom box so it would be able to work on the size of a standard 8 5 x 11 piece of paper. Drawing a sheet metal box in solidworks 2010. A 1 degree tolerance on all bend angles.